#!/bin/bash
# ============================================================
# NextWks — Production Update Script
# Pulls latest code, rebuilds, restarts services
# Run: cd /opt/nextwks && sudo bash update.sh
# ============================================================
set -euo pipefail

GREEN='\033[0;32m'; BLUE='\033[0;34m'; NC='\033[0m'
info()  { echo -e "${BLUE}$1${NC}"; }
ok()    { echo -e "${GREEN}$1${NC}"; }

REPO_URL="https://git.lohmar.co.uk/lexton-it/NextWks.git"
REPO_DIR="/tmp/nextwks-update"
INSTALL_DIR="/opt/nextwks"
BIN_DIR="${INSTALL_DIR}/bin"

info "Updating NextWks..."

# Clone fresh copy
rm -rf "$REPO_DIR" 2>/dev/null
git clone --depth 1 "$REPO_URL" "$REPO_DIR" --quiet

# Read new version
VERSION=$(cat "$REPO_DIR/VERSION" 2>/dev/null || echo "dev")

# Build
cd "$REPO_DIR/src"
go build -ldflags="-s -w \
    -X git.lohmar.co.uk/lexton-it/NextWks/core/version.Version=${VERSION} \
    -X git.lohmar.co.uk/lexton-it/NextWks/core/version.BuildTime=$(date -u +%Y-%m-%dT%H:%M:%SZ) \
    -X git.lohmar.co.uk/lexton-it/NextWks/core/version.CommitSHA=$(git rev-parse --short HEAD)" \
    -o /tmp/nextwks-core .

# Replace
systemctl stop nextwks
cp /tmp/nextwks-core "$BIN_DIR/core"
chmod 755 "$BIN_DIR/core"
chown nextwks:nextwks "$BIN_DIR/core"
systemctl start nextwks
sleep 2

# Verify
if curl -s --max-time 3 http://localhost:8080/api/health | grep -q ok; then
    ok "Updated to v${VERSION}"
else
    echo "Health check failed — check journalctl -u nextwks"
fi

# Cleanup
rm -rf "$REPO_DIR" /tmp/nextwks-core